The New Interpreter's Dictionary of the Bible REF BS440 .N445 2006
Anchor Bible Dictionary REF BS 440 A54 1992
Both of these dictionaries will frequently have quite detailed articles on key texts, themes, names, etc., as well as brief bibliographies of important scholarly studies on the topics. Perspectives of the authors vary, but tend to fall into more "mainline church"/liberal to middle of the road views.
Oxford Biblical Studies Online
Provides cross-searching of a sizeable number of Oxford reference titles on the Bible, including commentaries, concordances, and several English translations; an excellent starting point.
The Oxford Encyclopedia of the Books of the Bible (online)
Overviews of authorship, canonicity, historical context, literary structure, and more; useful bibliographies included. (Note that the LS--LinkSource--button under each bibliographic entry will work only for journal articles, not books; search our catalog for books that look valuable for your research.)
Fortress Commentary on the Bible (2014) (online)
E-book version of a recent two-volume Bible commentary with contributions from 75 major scholars.
The New Interpreter's Bible REF BS 491.2 N484 1994 (12 vols.)